Hepatitis B antigen

Details Hepatitis B antigen Hepatitis B antigen

1977-09-02

1978-10-03

Rosen, Sam

Drug, bio-affecting and body treating compositions

Lymphokine

A61K 3912

Patent

active

041184777

ABSTRACT:
An improved process for the preparation of hepatitis B antigen by subjecting biological fluid containing heptatitis B surface antigen to isopycanic banding wherein the step gradient is NaBr. Faster and more economical processing is obtained by multiple loading of the step gradient, either NaBr or conventional gradients.

REFERENCES:
patent: 3519400 (1970-07-01), Anderson
patent: 3636191 (1972-01-01), Blumberg et al.
patent: 3838144 (1974-09-01), Leach
Bond et al.--J. Inf. Dis., vol. 125, Mar. 1972.

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